Crush the garlic, coriander and spices together in a pestle and mortar or using the end of a rolling pin. Add to the onions and cook out for a minute or two. Add the tomatoes and a pinch of sugar and cook for 10 minutes. Add the potatoes and stock and simmer gently for 40 minutes.
Add the peas and stir through the yoghurt, add the eggs and serve with pilau rice and a sprinkle of toasted sesame seeds.